CVE-2023-26949Public exploitNetwork attack vector

Authenticated code execution via upload allowlist rewrite

Published Mar 6, 2023 · Updated Mar 6, 2025

Arbitrary file upload in onekeyadmin 1.3.9 allows remote authenticated users to execute code by uploading a crafted PHP file. Config#update accepts an extension-list change that adds php, after which File#upload accepts the dangerous file type. Administrator-level access is required to alter the upload configuration, and the uploaded PHP can then execute on the server.

CVSS severity9.8
Critical
EPSS probability0.94%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file upload in onekeyadmin 1.3.9 allows remote authenticated users to execute code by uploading a crafted PHP file. Config#update accepts an extension-list change that adds php, after which File#upload accepts the dangerous file type. Administrator-level access is required to alter the upload configuration, and the uploaded PHP can then execute on the server.

The record

CVE
CVE-2023-26949
Published
Mar 6, 2023
Updated
Mar 6, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-434, T1505.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 6, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1505.003Server Software Component: Web Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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